@article{Demirtas2021_519616,
author={Hakan Demirtas and levent özbek},
title={ESTIMATION OF DAILY CASES OF COVID-19 AND REPRODUCTION NUMBER IN USA, 
GERMANY, INDIA, RUSSIA, ITALY, SPAIN, FRANCE, UNITED KINGDOM, BRAZIL 
USING DISCRETE TIME GOMPERTZ MODEL AND ADAPTIVE KALMAN FILTER},
year={2021},
journal={Eskişehir Technical University Journal of Science and and Technology A- Applied Sciences and Engineering},
issn={2667-4211},
volume={22},
number={3},
url={http://search/yayin/detay/519616}
}